noun🔗Share三葉虫An extinct arthropod of the class Trilobita, whose body had three large lobes."During our class field trip to the museum, we saw fossils of trilobites, ancient sea creatures easily identified by the three distinct lobes running lengthwise down their bodies. "博物館へのクラス遠足で、三葉虫の化石を見ました。三葉虫は、体の長さに沿って走る3つの独特の葉で容易に識別できる古代の海の生き物です。geologyarchaeologyanimalbiologysciencehistoryorganismChat with AIVocabulary GamePractice Reading
